
Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
STONYFORD (SYWC1)
Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.NA
30°F
-1°C
| Humidity | 92% |
| Wind Speed | WNW 0 MPH |
| Barometer | NA |
| Dewpoint | 28°F (-2°C) |
| Visibility | NA |
| Last update | 29 Dec 09:26 PM PST |
Extended Forecast for
16 Miles W Williams CA
Tonight

Low: 36 °F
Mostly Clear
Tuesday

High: 55 °F
Areas Frost
then SunnyTuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 53 °F
Rain Likely
Wednesday Night

Low: 43 °F
Rain
New Year's Day

High: 50 °F
Rain
Thursday Night

Low: 45 °F
Rain
Friday

High: 54 °F
Rain
Friday Night

Low: 41 °F
Rain
Detailed Forecast
Tonight
Mostly clear, with a low around 36. North northwest wind around 6 mph.
Tuesday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 55. North northwest wind around 6 mph becoming northeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 42. Northwest wind around 6 mph.
Wednesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. North northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 43. Light north wind. Chance of precipitation is 90%.
New Year's Day
Rain. High near 50. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 45. Chance of precipitation is 90%.
Friday
Rain. Cloudy, with a high near 54.
Friday Night
Rain. Cloudy, with a low around 41.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 52.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
16 Miles W Williams CA
39.17°N 122.43°W (Elev. 1398 ft)
39.17°N 122.43°W (Elev. 1398 ft)
1:21 pm PST Dec 29, 2025
10pm PST Dec 29, 2025-6pm PST Jan 5, 2026


